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- Form Won’t Save (Grayed Out Save Button)
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- Incomplete Prior-Year Returns
- Information Changed After Filing
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- MD – Dependent Health Insurance Check box
- Name Over 35 Characters
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- New York – Form IT-226 – Employer Compensation Expense Program Wage Credit
- New York – Form IT-229 – Real Property Tax Relief Credit
- New York – Form IT-241 – Claim for Clean Heating Fuel Credit
- New York – Form IT-245 – Firefighter/Ambulance Worker’s Credit
- New York – Form IT-249 – Long-Term Care Insurance Credit
- New York – Form IT-267 – Geothermal Energy System Credit
- New York – Form IT-272 – College Tuition Credit or Itemized Deduction
- New York – Form IT-280 – Nonobligated Spouse Allocation
- New York – Form IT-399 – New York State Depreciation Schedule
- Nonresident Alien Spouse
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- North Dakota – Schedule ND-1AC – Adoption Credit
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- North Dakota – Schedule ND-1PSC – Nonprofit Private School Tax Credit
- NY – New York Confirm County and School District e-File Message
- NY – State Pension Exclusion
- Ohio – IR-25 – City of Columbus Extension
- Ohio – Nonchartered, Nonpublic School Tuition Credit Questionnaire
- Ohio – Scholarship Donation Credit Questionnaire
- Oil and Gas Depletion
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- Oklahoma – Form 2210 – Underpayment of Estimated Taxes
- Oklahoma – Form 538S – Sales Tax Relief Credit
- Oklahoma – Form 561/561NR – Capital Gains and Losses
- Oklahoma – Form 564 – Credit for Employees in the Aerospace Sector
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- OR – Kicker Credit (Surplus Credit)
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- Paying Taxes Owed or Amount Due
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- Schedule 8812 (Puerto Rico)
- Schedule A – Health Insurance Premiums
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- Schedule K-1 for Beneficiaries
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- Schedule K-3
- Self-Employed – Health Insurance Deduction
- Self-Employed Pensions
- Site Security, Security Questions, and Two-Factor Authentication (2FA)
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- State Not Listed – States without Income Tax
- Statutory Employee
- Tax Calculator – Estimate your Liability or Refund
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- Vehicle Registration Fee Deduction
- Verification Code Delay
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- Virginia – Underpayment of Estimated Tax
- WA – Form WFTC – Washington Working Families Tax Credit
- West Virginia – Homestead Excess Property Tax Credit
- West Virginia – Optional Binary PDF Attachments
- West Virginia – Resident Low-Income Exclusion
- West Virginia – Schedule E – Credit for Taxes Paid to Another State
- West Virginia – Schedule EK1 (1065, 1120S, or 1041 EK1 Received)
- West Virginia – Schedule H – Certification of Permanent and Total Disability
- West Virginia – Senior Citizen Property Tax Credit
- West Virginia – WVMV-1 Motor Vehicle Property Tax Adjustment Credit
- Wisconsin – Entity-Level Additions and Subtractions
- Wisconsin – Identity Protection (IP) PIN
- Wisconsin – Net Operating Loss (NOL) Carryback or Carryforward
- Wisconsin – Schedule CS – College Savings Accounts (EdVest and Tomorrow’s Scholar)
- Wisconsin – Schedule OS – Credit for Net Tax Paid to Another State
- Wisconsin – Schedule PS – Private School Tuition Deduction
- WV – Request for Waiver or Qualified Farmer Indicator